Have you eaten grandma?

It can be much harder than it seems; commas, colons, semi-colons and even apostrophes can drive us all mad at times, but it riles no one more than the longest-serving resident of Countdown's Dictionary Corner, grammar guru Gyles Brandreth.

In this brilliantly funny tirade and guide, Gyles anatomizes the linguistic horrors of our times, tells us where we've been going wrong (and why) and shows us how, in future, we can get it right every time.